Medium 6.9Published Feb 2, 2026

CVE-2026-20711Cross-site scripting vulnerability exists in E-mail function of Cybozu Garoon 5.0.0 to 6.0.3, which may allow an attacker to reset arbitrary users’ passwords.

Updated under an hour ago (Oct 27, 2026, 10:40 AM ET)

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It affects Cybozu, Inc. Cybozu Garoon. Add what you run to find out whether that includes you.

No exploitation reported and no EPSS estimate yet.

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Every CVE for Cybozu, Inc. Cybozu Garoon

Exploited in the last 30 days

Cross-site scripting vulnerability exists in E-mail function of Cybozu Garoon 5.0.0 to 6.0.3, which may allow an attacker to reset arbitrary users’ passwords.

CVSS: 6.9 MEDIUM (v4.0, CNA)CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N
Weakness (CWE): CWE-79
Known exploited: Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days): Not loaded for this CVE
Assigned by: jpcert
NVD analysis: Analyzed
Record last updated: Feb 2, 2026
First seen by InfoSec Signals: Oct 9, 2026

Affected products

Affected products

Cybozu, Inc. Cybozu Garoon cybozu:garoon (from the name)	5.0.0 to 6.0.3	CNA record
cybozu garoon cybozu:garoon	from 5.0.0 before 6.0.3	NVD

References

References

https://kb.cybozu.support/article/39081/	vendor-advisory
https://jvn.jp/en/jp/JVN35265756/	third-party-advisory

The CVE record on cve.org NVD's entry

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.